11920646 has 4 divisors (see below), whose sum is σ = 17880972. Its totient is φ = 5960322.

The previous prime is 11920639. The next prime is 11920661. The reversal of 11920646 is 64602911.

11920646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980160 + ... + 2980163.

It is an arithmetic number, because the mean of its divisors is an integer number (4470243).

Almost surely, 2^11920646 is an apocalyptic number.

11920646 is a deficient number, since it is larger than the sum of its proper divisors (5960326).

11920646 is an equidigital number, since it uses as much as digits as its factorization.

11920646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960325.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 11920646 is about 3452.6288534970. The cubic root of 11920646 is about 228.4370783757.

The spelling of 11920646 in words is "eleven million, nine hundred twenty thousand, six hundred forty-six".